Convert the pp::proxy namespace to the ppapi::proxy namespace.

ppapi/proxy/ppb_broker_proxy.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PPAPI_PPB_BROKER_PROXY_H_
 #define PPAPI_PPB_BROKER_PROXY_H_
 
 #include "base/sync_socket.h"
 #include "ipc/ipc_platform_file.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/cpp/completion_callback.h"
 #include "ppapi/proxy/interface_proxy.h"
 #include "ppapi/proxy/proxy_non_thread_safe_ref_count.h"
 
 struct PPB_BrokerTrusted;
 
 namespace ppapi {
+
 class HostResource;
-}
 
-namespace pp {
 namespace proxy {
 
 class PPB_Broker_Proxy : public InterfaceProxy {
  public:
   PPB_Broker_Proxy(Dispatcher* dispatcher, const void* target_interface);
   virtual ~PPB_Broker_Proxy();
 
   static const Info* GetInfo();
 
   static PP_Resource CreateProxyResource(PP_Instance instance);
 
   const PPB_BrokerTrusted* ppb_broker_target() const {
     return static_cast<const PPB_BrokerTrusted*>(target_interface());
   }
 
   // InterfaceProxy implementation.
   virtual bool OnMessageReceived(const IPC::Message& msg);
 
  private:
   // Message handlers.
   void OnMsgCreate(PP_Instance instance, ppapi::HostResource* result_resource);
   void OnMsgConnect(const ppapi::HostResource& broker);
   void OnMsgConnectComplete(const ppapi::HostResource& broker,
                             IPC::PlatformFileForTransit foreign_socket_handle,
                             int32_t result);
 
   void ConnectCompleteInHost(int32_t result,
                              const ppapi::HostResource& host_resource);
 
-  CompletionCallbackFactory<PPB_Broker_Proxy,
-                            ProxyNonThreadSafeRefCount> callback_factory_;
+  pp::CompletionCallbackFactory<PPB_Broker_Proxy,
+                                ProxyNonThreadSafeRefCount> callback_factory_;
 };
 
 }  // namespace proxy
-}  // namespace pp
+}  // namespace ppapi
 
 #endif  // PPAPI_PPB_BROKER_PROXY_H_